Most heart disease patients fail to get the best mix of life-saving medications before they land in the hospital needing intervention for clogged arteries, and one- third aren’t given the proper drugs after, researchers said.

Dennis Block, a lawyer who worked on Pfizer Inc.’s acquisition of Wyeth and JPMorgan Chase & Co.’s buyout of Bear Stearns, is joining Greenberg Traurig LLP as senior chairman of its global mergers and acquisitions practice.

A 6-inch blanket of snow prompted Delta Air Lines Inc. and AirTran Holdings Inc. to scrub most flights to and from Atlanta, the world’s busiest airport, and led United Parcel Service Inc. to suspend pickups and deliveries in its hometown.